<div class="example-wrapper">
    <div class="example-header">
        <span class="legend-item ag-row-level-0"></span>
        <span class="legend-label">Top Level Group</span>
        <span class="legend-item ag-row-level-1"></span>
        <span class="legend-label">Second Level Group</span>
        <span class="legend-item ag-row-level-2"></span>
        <span class="legend-label">Bottom Rows</span>
    </div>
    <div id="myGrid" class="ag-theme-quartz"></div>
</div>